Toniiight, MacGyver’s perceived fear of commitment comes under scrutiny in a dream that takes him back to the Old West. Can Sam, Jeff, and special guest host Claire, stomach yet another return to this tepid template? Plus, Claire sings Mariah; Fake Mike continues to love everything; and we finally realize why Mac won't marry! Oh! And it's Thanksgiving time! That means it's time for the annual prank call to the Butterball Turkey Talkline! Don't miss this one!